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Since: Version 20230320-124340-559cb7b0

The functionality described in this section requires version 20230320-124340-559cb7b0 of wezterm, or a more recent version.

Assign a new default domain in the mux.

The domain that you assign here will override any configured default_domain or the implicit assignment of the default domain that may have happened as a result of starting wezterm via wezterm connect or wezterm serial.